The IAAF World Cross Country Championships take place on Sunday 24 March in the Polish city of Bydgoszcz.

Today, we begin detailed coverage with previews of the junior men’s and junior women’s races, while the two senior races will be previewed tomorrow (Thursday 21 March).

In addition, the final Entry Lists – by both event and country – are now also available, as well as an informative and interesting Bydgoszcz 2013 – Facts and Figures file, which gives statistical information about previous championships.

The IAAF website will bring you extensive coverage of the championships including live results, live radio coverage, live blog, photographs, features and reports of all four races.